tests: Use explicit imports

test/functional/rpc_bind.py

@@ -6,9 +6,9 @@
 
 import sys
 
+from test_framework.netutil import all_interfaces, addr_to_hex, get_bind_addrs, test_ipv6_local
 from test_framework.test_framework import BitcoinTestFramework, SkipTest
-from test_framework.util import *
-from test_framework.netutil import *
+from test_framework.util import assert_equal, assert_raises_rpc_error, get_rpc_proxy, rpc_port, rpc_url
 
 class RPCBindTest(BitcoinTestFramework):
     def set_test_params(self):